Automobile seat frames welds frock

The utility model discloses an automobile seat frames welds frock relates to the automobile spare and accessory part welding technique field, the on -line screen storage device comprises a base, one side of base is equipped with the extension board, one side of extension board with the base is articulated to be connected, still be equipped with the flat board on the base, the flat board can be followed the base slides, be equipped with the pivot in the flat board, dull and stereotyped one side is equipped with the upset subassembly, the upset subassembly including set up perpendicularly in dull and stereotyped a set of flange and setting are in annular rack between the flange, be equipped with rather than the meshed gears in the annular rack, annular rack's both sides are equipped with theconnecting rod, the connecting rod passes the flange, reciprocating motion is to the connecting rod under the drive of external force, one side of base still is equipped with mobilizable welding set.The utility model disclos